2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2016-2018 Ericsson. All rights reserved.
4 * Modifications Copyright (C) 2019-2020 Nordix Foundation.
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.apex.examples.adaptive;
24 import static org.awaitility.Awaitility.await;
25 import static org.junit.Assert.assertEquals;
26 import static org.junit.Assert.assertNotNull;
27 import static org.junit.Assert.assertTrue;
29 import java.io.IOException;
30 import java.util.Random;
31 import java.util.concurrent.TimeUnit;
32 import org.junit.After;
33 import org.junit.Before;
34 import org.junit.Test;
35 import org.onap.policy.apex.context.impl.schema.java.JavaSchemaHelperParameters;
36 import org.onap.policy.apex.context.parameters.ContextParameterConstants;
37 import org.onap.policy.apex.context.parameters.ContextParameters;
38 import org.onap.policy.apex.context.parameters.SchemaParameters;
39 import org.onap.policy.apex.core.engine.EngineParameters;
40 import org.onap.policy.apex.core.engine.engine.ApexEngine;
41 import org.onap.policy.apex.core.engine.engine.impl.ApexEngineFactory;
42 import org.onap.policy.apex.core.engine.event.EnEvent;
43 import org.onap.policy.apex.examples.adaptive.model.AdaptiveDomainModelFactory;
44 import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
45 import org.onap.policy.apex.model.basicmodel.concepts.AxArtifactKey;
46 import org.onap.policy.apex.model.basicmodel.concepts.AxValidationResult;
47 import org.onap.policy.apex.model.enginemodel.concepts.AxEngineState;
48 import org.onap.policy.apex.model.policymodel.concepts.AxPolicyModel;
49 import org.onap.policy.apex.plugins.executor.java.JavaExecutorParameters;
50 import org.onap.policy.apex.plugins.executor.mvel.MvelExecutorParameters;
51 import org.onap.policy.common.parameters.ParameterService;
52 import org.slf4j.ext.XLogger;
53 import org.slf4j.ext.XLoggerFactory;
56 * This policy passes, and recieves a Double event context filed called "EVCDouble".<br>
57 * The policy tries to detect anomalies in the pattern of values for EVCDouble<br>
58 * See the 2 test cases below (1 short, 1 long)
60 * @author John Keeney (John.Keeney@ericsson.com)
62 public class AnomalyDetectionTslUseCaseTest {
63 private static final XLogger LOGGER = XLoggerFactory.getXLogger(AnomalyDetectionTslUseCaseTest.class);
65 private static final int MAXITERATIONS = 3660;
66 private static final Random RAND = new Random(System.currentTimeMillis());
68 private SchemaParameters schemaParameters;
69 private ContextParameters contextParameters;
70 private EngineParameters engineParameters;
76 public void beforeTest() {
77 schemaParameters = new SchemaParameters();
79 schemaParameters.setName(ContextParameterConstants.SCHEMA_GROUP_NAME);
80 schemaParameters.getSchemaHelperParameterMap().put("JAVA", new JavaSchemaHelperParameters());
82 ParameterService.register(schemaParameters);
84 contextParameters = new ContextParameters();
86 contextParameters.setName(ContextParameterConstants.MAIN_GROUP_NAME);
87 contextParameters.getDistributorParameters().setName(ContextParameterConstants.DISTRIBUTOR_GROUP_NAME);
88 contextParameters.getLockManagerParameters().setName(ContextParameterConstants.LOCKING_GROUP_NAME);
89 contextParameters.getPersistorParameters().setName(ContextParameterConstants.PERSISTENCE_GROUP_NAME);
91 ParameterService.register(contextParameters);
92 ParameterService.register(contextParameters.getDistributorParameters());
93 ParameterService.register(contextParameters.getLockManagerParameters());
94 ParameterService.register(contextParameters.getPersistorParameters());
96 engineParameters = new EngineParameters();
97 engineParameters.getExecutorParameterMap().put("MVEL", new MvelExecutorParameters());
98 engineParameters.getExecutorParameterMap().put("JAVA", new JavaExecutorParameters());
99 ParameterService.register(engineParameters);
106 public void afterTest() {
107 ParameterService.deregister(engineParameters);
109 ParameterService.deregister(contextParameters.getDistributorParameters());
110 ParameterService.deregister(contextParameters.getLockManagerParameters());
111 ParameterService.deregister(contextParameters.getPersistorParameters());
112 ParameterService.deregister(contextParameters);
114 ParameterService.deregister(schemaParameters);
118 * Test anomaly detection tsl.
120 * @throws ApexException the apex exception
121 * @throws InterruptedException the interrupted exception
122 * @throws IOException Signals that an I/O exception has occurred.
125 // once through the long running test below
126 public void testAnomalyDetectionTsl() throws ApexException, InterruptedException, IOException {
127 final AxPolicyModel apexPolicyModel = new AdaptiveDomainModelFactory().getAnomalyDetectionPolicyModel();
128 assertNotNull(apexPolicyModel);
130 final AxValidationResult validationResult = new AxValidationResult();
131 apexPolicyModel.validate(validationResult);
132 assertTrue(validationResult.isValid());
134 final AxArtifactKey key = new AxArtifactKey("AnomalyTSLApexEngine", "0.0.1");
136 final ApexEngine apexEngine1 = new ApexEngineFactory().createApexEngine(key);
138 final TestApexActionListener listener1 = new TestApexActionListener("TestListener1");
139 apexEngine1.addEventListener("listener", listener1);
140 apexEngine1.updateModel(apexPolicyModel, false);
142 final EnEvent triggerEvent =
143 apexEngine1.createEvent(new AxArtifactKey("AnomalyDetectionTriggerEvent", "0.0.1"));
144 final double rval = RAND.nextGaussian();
145 triggerEvent.put("Iteration", 0);
146 triggerEvent.put("MonitoredValue", rval);
147 LOGGER.info("Triggering policy in Engine 1 with " + triggerEvent);
148 apexEngine1.handleEvent(triggerEvent);
149 final EnEvent result = listener1.getResult();
150 LOGGER.info("Receiving action event {} ", result);
151 assertEquals("ExecutionIDs are different", triggerEvent.getExecutionId(), result.getExecutionId());
152 triggerEvent.clear();
154 await().atLeast(1, TimeUnit.MILLISECONDS).until(() -> result.isEmpty());
159 * This policy passes, and recieves a Double event context filed called "EVCDouble"<br>
160 * The policy tries to detect anomalies in the pattern of values for EVCDouble <br>
161 * This test case generates a SineWave-like pattern for the parameter, repeating every 360 iterations. (These Period
162 * should probably be set using TaskParameters!) Every 361st value is a random number!, so should be identified as
163 * an Anomaly. The policy has 3 Decide Tasks, and the Decide TaskSelectionLogic picks one depending on the
164 * 'Anomaliness' of the input data. <br>
165 * To plot the results grep debug results for the string "************", paste into excel and delete non-relevant
168 * @throws ApexException the apex exception
169 * @throws InterruptedException the interrupted exception
170 * @throws IOException Signals that an I/O exception has occurred.
172 // Test is disabled by default. uncomment below, or execute using the main() method
174 // EG Dos command: apex-core.engine> mvn
175 // -Dtest=org.onap.policy.apex.core.engine.ml.TestAnomalyDetectionTslUseCase test | findstr /L /C:"Apex [main] DEBUG
176 // c.e.a.e.TaskSelectionExecutionLogging -
177 // TestAnomalyDetectionTSL_Policy0000DecideStateTaskSelectionLogic.getTask():"
178 public void testAnomalyDetectionTslmain() throws ApexException, InterruptedException, IOException {
180 final AxPolicyModel apexPolicyModel = new AdaptiveDomainModelFactory().getAnomalyDetectionPolicyModel();
181 assertNotNull(apexPolicyModel);
183 final AxValidationResult validationResult = new AxValidationResult();
184 apexPolicyModel.validate(validationResult);
185 assertTrue(validationResult.isValid());
187 final AxArtifactKey key = new AxArtifactKey("AnomalyTSLApexEngine", "0.0.1");
188 final EngineParameters parameters = new EngineParameters();
189 parameters.getExecutorParameterMap().put("MVEL", new MvelExecutorParameters());
190 parameters.getExecutorParameterMap().put("JAVA", new JavaExecutorParameters());
192 final ApexEngine apexEngine1 = new ApexEngineFactory().createApexEngine(key);
194 final TestApexActionListener listener1 = new TestApexActionListener("TestListener1");
195 apexEngine1.addEventListener("listener1", listener1);
196 apexEngine1.updateModel(apexPolicyModel, false);
199 final EnEvent triggerEvent =
200 apexEngine1.createEvent(new AxArtifactKey("AnomalyDetectionTriggerEvent", "0.0.1"));
201 assertNotNull(triggerEvent);
203 for (int iteration = 0; iteration < MAXITERATIONS; iteration++) {
204 // Trigger the policy in engine 1
206 double value = (Math.sin(Math.toRadians(iteration))) + (RAND.nextGaussian() / 25.0);
207 // lets make every 361st number a random value to perhaps flag as an anomaly
208 if (((iteration + 45) % 361) == 0) {
209 value = (RAND.nextGaussian() * 2.0);
211 triggerEvent.put("Iteration", iteration);
212 triggerEvent.put("MonitoredValue", value);
213 LOGGER.info("Iteration " + iteration + ":\tTriggering policy in Engine 1 with " + triggerEvent);
214 apexEngine1.handleEvent(triggerEvent);
215 final EnEvent result = listener1.getResult();
216 LOGGER.info("Iteration " + iteration + ":\tReceiving action event {} ", result);
217 triggerEvent.clear();
221 await().atLeast(1000, TimeUnit.MILLISECONDS).until(() -> apexEngine1.getState().equals(AxEngineState.STOPPED));
227 * @param args the arguments
228 * @throws ApexException the apex exception
229 * @throws InterruptedException the interrupted exception
230 * @throws IOException Signals that an I/O exception has occurred.
232 public static void main(final String[] args) throws ApexException, InterruptedException, IOException {
233 new AnomalyDetectionTslUseCaseTest().testAnomalyDetectionTslmain();